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![Photo Hutterer & Lechner Air admittance valve 1' with tee DN32 [Code number: HL 902T/32]](/system/products/photos/000/005/198/original/hl_902t_32-photo.jpg?1461296523)
Air admittance valve HL 902T/32 with DN32 is installed on non-ventilated sewer risers. The valve protects the room against polluted air. Also, the air admittance valve protects sanitary devices against disruption of water trap. It is equipped with T-connection with two locking nuts.
| Diameter | Material | Weight |
|---|---|---|
| DN, mm | gr | |
| 32 | polypropylene | 75 |
![Photo Hutterer & Lechner Locking nut, 5/4" [Code number: HL 01046D]](/system/products/photos/000/004/042/original/hl_01046d-photo.jpg?1423612860)
![Photo Hutterer & Lechner Gasket wedge shaped, DN32 [Code number: HL 01007D]](/system/products/photos/000/004/038/original/hl_01007d-photo.jpg?1423612834)
![Photo Hutterer & Lechner Air admittance valve, 1' [Code number: HL 902]](/system/products/photos/000/005/197/original/hl_902-photo.jpg?1461296522)
![Draft Hutterer & Lechner Air admittance valve, 1' [Code number: HL 902]](/system/products/drafts/000/005/197/original/hl_902-draft.jpg?1461294437)